The map objects, nodes, patchs, fxs, heli spots and shit is coded inside the map file, for example in mp_terminal.ff or mp_estate.ff, in the huge entities list you can find all the bomb spots and you can perfectly change the locations, with gsc you can create new ones.

Handy Tools/Hacks:Extreme Injector v3.7*NEW* 2017 Update!
A powerful and advanced injector in a simple GUI.
Can scramble DLLs on injection making them harder to detect and even make detected hacks work again!